<html>
    <head>
        <meta charset="utf-8">
        <title>Hello world</title>
    </head>
    <body>
        <p>Hello world 1</p>
        <p>Hello world 2</p>
        <svg>
            <rect></rect>
            <rect></rect>
        </svg>
        <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
        <script>
            var dataset = [2.5,2.1,1.7,1.3,0.9]
            var linear = d3.scale.linear().domain([0,d3.max(dataset)]).range([0,250])
            var axis = d3.svg.axis().scale(linear).orient("bottom").ticks(7)
            d3.select("svg").append("g").call(axis)
        </script>
    </body>
</html>